Ionic bonding Quiz
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5 questions, one answer each
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1. What happens to a sodium atom when it forms sodium chloride?
- A. It gains one electron
- B. It loses one electron
- C. It shares one electron
- D. It loses one proton
2. Which is the correct formula of calcium chloride?
- A. CaCl
- B. Ca₂Cl
- C. CaCl₂
- D. Ca₂Cl₂
3. What is the charge on an oxide ion?
- A. 2−
- B. 2+
- C. 1−
- D. 6−
4. What holds the ions together in a giant ionic lattice?
- A. Shared pairs of electrons
- B. Weak forces between molecules
- C. Strong electrostatic attraction between oppositely charged ions
- D. A sea of delocalised electrons
5. In a dot-and-cross diagram of sodium chloride, how many outer electrons does the chloride ion have?
- A. 1
- B. 7
- C. 0
- D. 8